Johnson Controls METASYS User Manual page 67

Analog Data (AD)
object
ADJUST
adjustment
Analog Input (AI)
object
alarm
ALARM
alarm limit
analog limit
Analog Output
Digital (AOD) object
Analog Output
Setpoint (AOS)
object
Application
Specific Controller
(ASC)
An object derived from an analog value that was obtained as the result of
a control process, operator entry, or attribute from another object.
An NT command option that allows you to change the value of an object.
The procedure required to produce the exact setting, response, or effect
desired.
The software representation of a hardware device that is monitoring an
analog value.
A signal, either audible or visual or both, that alerts an operator to an off
normal condition that requires corrective action; an off
(e.g., pressure or temperature) that has deviated from an established
operating range.
An NT screen option that displays system IDs that have one or more
objects in alarm.
Optional high and low limits set by the user. If the analog value goes
above the high limit, or below the low limit, an alarm is generated and a
COS report is sent to one or more operator devices.
The high or low value of an analog input object which, if exceeded, will
cause an alarm and/or control action.
The software representation of a control output used in positioning
valves, dampers, and other proportional devices.
The software representation on an analog output device used in position
control, or remote setpoint adjustment.
A family of control devices with hardware and software preconfigured to
meet the functional needs of a specific application. These devices can
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normal condition
Network Terminal User's Manual 67
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